LOST SONG Episode 2: The Song of Departure

The episode opens with Shizuru Siyonji in a car, recalling a shared past. A flashback shows a younger Shizuru and Seria Aiba as children, both sensitive to the spirit world. Shizuru explains how her father forced them apart, fearing their combined power would grow too strong. She made a silent promise to protect Seria, a burden she has carried for years.

Seria awakens in a traditional room, feeling unusually rested. A flickering digital error message in her vision betrays the peace. Suddenly, combat drones shatter the windows, targeting her. Osho appears, moving with practiced efficiency, shielding Seria and extracting a 'recognition chip' from her neck. His shadowy spirit energy protects them from the final blast, leaving the room in ruins.

Osho drives Seria to a secluded temple, introducing her to Akari Kanzaki and the quiet Rin Ononohara. Overwhelmed by the lies and sudden danger, Seria breaks down. Osho offers a stark choice: disappear, taking a new name, or embrace her true identity, Seria Aiba, and face death by joining them. The decision hangs heavy in the air, a pivot point for her future.

The next morning, Seria hums a quiet melody, her voice a natural, unforced expression. Shizuru observes her, a softer side of her persona briefly showing through. Later, at breakfast, Akari and Osho bicker playfully, revealing a domestic, almost normal side to the TERA group. Seria witnesses Shizuru smiling, a stark contrast to her aloof school image, highlighting the different faces people wear.

Cleaning up, Seria questions Shizuru about her school uniform. Shizuru explains it is a habit, a comfort, even as Akari teases her about her 'old lady' fashion sense. Shizuru soon departs, revealing she has business at her family's corporate headquarters. This hints at the significant influence her family wields, connecting the spiritual world with mundane power structures.

Seria wanders the temple, drawn by Osho's chanting. She finds him in the main hall and offers to help with chores, wanting to contribute. Osho dismisses her offer, stating she would only be a distraction, which visibly dejects Seria. She then notices a bandage on his chest, a quiet reminder of his injuries and the dangers he faced protecting her.

Outside, Seria sees spirit beasts, 'Hōrei-jū,' harvesting giant watermelons, a surreal glimpse into the unseen. Osho explains that the temple is protected by a spiritual barrier, which keeps out the 'negative noise' Seria usually perceives. He then reveals the 'Double Line,' where the human world overlaps with the spirit realm, the 'Hōryō-kai.' This spirit world holds vast energy resources, TERA's true objective.

Osho probes Seria about her possession by Cleopatra's ghost, specifically why she sang during the experience. He suggests it was a suppressed desire. Seria clarifies that her singing is a natural, involuntary response, a way to harmonize with the spirits that possess her. She uses it to mediate the overwhelming memories and emotions she absorbs from them.

Akari arrives with an urgent message: a mission is scheduled for 2:00 PM. Osho decides to take Seria with them, intending for her to witness TERA's work firsthand. He gives her a red spirit bracelet, explaining it will tether her to the human world. Seria accepts it, a mix of apprehension and nascent curiosity on her face.

The group teleports into a stark, industrial spirit realm, filled with glowing structures and massive pipes. Osho begins a ritual to set a 'Kiseki,' a spiritual landmark, his body engulfed in dark purple flames. Shizuru takes a defensive stance, preparing her glowing energy bow. Seria watches, overwhelmed by the immense spiritual pressure that vibrates through the very air.

Nikola Tesla, a powerful Ghost serving Nero, materializes, demanding Seria be handed over. He uses high-voltage electricity and spirit threads to immobilize Osho and Shizuru, easily overpowering them. As he closes in on Seria, the ghost of Cleopatra reawakens within her. Seria transforms dramatically, her clothing shifting into a sleek combat suit, and she summons a dual-ended energy blade.

The battle against Nikola Tesla transforms into a surreal combat-musical sequence as Seria sings the song 'Gifted.' Her voice resonates, creating a protective barrier against Tesla's electrical attacks. Their movements synchronize with the music, clashing through digital and industrial environments. This sequence fuses high-octane action with abstract, colorful visuals, representing the interplay of their spiritual energies.

Seria's song purifies the area, forcing Nikola Tesla to retreat, his form flickering into disappearance. Osho explains that Seria's ability is a 'Chinkon-ka,' a Requiem capable of harmonizing even powerful Ghosts. The spirits of Cleopatra, Julius Caesar, and Marc Antony briefly appear behind Seria, acknowledging her. Seria is left breathless, finally grasping the true extent of the power dormant within her.

As twilight settles over the temple, Shizuru and Seria stand together. Shizuru reveals her identity as Seria's childhood friend, admitting she has watched over her. Seria, now resolute, makes her decision: she will sing, not for MiuS, but for herself and the spirits. She asks Shizuru to 'kill' her old identity, declaring her intent to be reborn as a member of TERA.

A somber funeral is held for Aiba Seria, attended by unsuspecting classmates. Shizuru watches from the periphery, her eyes filled with tears, but also a quiet joy. She is happy her friend is finally free. As the funeral rites conclude, Shizuru whispers a final goodbye to the old Seria. The scene pulls away from the portrait, marking the end of one life and the beginning of another.